WO2006021287A1 - Logement a point d'appui d'un organe - Google Patents

Logement a point d'appui d'un organe Download PDF

Info

Publication number
WO2006021287A1
WO2006021287A1 PCT/EP2005/008228 EP2005008228W WO2006021287A1 WO 2006021287 A1 WO2006021287 A1 WO 2006021287A1 EP 2005008228 W EP2005008228 W EP 2005008228W WO 2006021287 A1 WO2006021287 A1 WO 2006021287A1
Authority
WO
WIPO (PCT)
Prior art keywords
clamping system
holder
fastening
housing
bearing
Prior art date
Application number
PCT/EP2005/008228
Other languages
German (de)
English (en)
Inventor
Ralph Painta
Michael Bogner
Original Assignee
Schaeffler Kg
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Schaeffler Kg filed Critical Schaeffler Kg
Priority to EP05782545A priority Critical patent/EP1781913B1/fr
Priority to US11/574,162 priority patent/US20070259745A1/en
Publication of WO2006021287A1 publication Critical patent/WO2006021287A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B67/00—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for
    • F02B67/04—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus
    • F02B67/06—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus driven by means of chains, belts, or like endless members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H7/00—Gearings for conveying rotary motion by endless flexible members
    • F16H7/08—Means for varying tension of belts, ropes, or chains
    • F16H7/10—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley
    • F16H7/14—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of a driving or driven pulley
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/165—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotor around a fixed spindle; radially supporting the rotor directly
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/173—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
    • H02K5/1737—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings radially supporting the rotor around a fixed spindle; radially supporting the rotor directly
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/26—Means for adjusting casings relative to their supports

Definitions

  • the present invention relates to an engine of an internal combustion engine, which is also designed as a clamping system for a traction means of a traction mechanism.
  • the aggregate is preferably a generator or a starter generator vor ⁇ seen.
  • the housing of the unit comprises holding means which form a rotary bearing with at least one stationary, preferably arranged on the internal combustion engine holder.
  • a traction means in particular a belt, connects the individual pulleys of the units to be driven, the drive members, with the pulley of the output member, a belt pulley preferably connected to the crankshaft of the internal combustion engine.
  • the slip-free drive of all units to be driven requires a clamping system, with which a sufficient, preferably slip-free preload tion of the traction means can be ensured.
  • Such a clamping system is known, for example from DE 43 00 178 C1 be ⁇ , in which a tension roller is supported in the installed state of the traction means kraftbeaufschlagt.
  • the clamping system further comprises a fixedly arranged base part, the axis of symmetry simultaneously forms a Dreh ⁇ axis for the pivot arm, on the outside of a tension roller is rotatably arranged.
  • To achieve a frictional support of the tensioner on the traction means is between the base! and a torsion spring is used on the swivel arm.
  • DE 100 57 818 A1 discloses a traction mechanism drive of an internal combustion engine designed as a two-disc drive.
  • the drive takes place via a torsionally rigid with a crankshaft of the internal combustion engine in connection stand ⁇ the output member which connects via a traction means, a belt, the other Riemen ⁇ disc, the drive member.
  • a drive member to a starter generator is provided, which takes over both the function of the starter and the generator for the internal combustion engine.
  • a sufficient Vorspan ⁇ voltage of the traction means to achieve a slip-free drive is achieved with the pivotally mounted drive member, which is additionally subjected to a force by a spring means.
  • the present invention is based on the object, an aggregate of an internal combustion engine, which is designed at the same time as a clamping system for a traction means of a traction mechanism, according to the features of the preamble of claim 1, to achieve a cost-optimized Drehddlinglage ⁇ tion. Furthermore, the storage should be designed so that an optimal introduction of force in the pivot bearing position.
  • the invention provides to form the housing of the pivotable unit, which in particular comprises a starter generator, divided with two Geotrouselemen ⁇ th or housing halves, which are joined together via a parting plane.
  • the housing elements are supported by machined surfaces in the region of the parting plane against each other. This ensures that adjusts a large-scale support of the housing elements and thus a torsion-resistant housing.
  • the housing of the unit further includes as holding means at least one fastening eye.
  • each housing element comprises a fastening eye which together in the installed state, ie in the completed state of the unit or of the starter generator, is supported in a planar manner via a support surface and together form a retaining means.
  • the holding means combined with a preferably axially offset holder which, for example, is directly connected with the internal combustion engine, forms a pivot bearing for the unit.
  • the rotary device causes a reinforced attachment or connection of the unit to the internal combustion engine and at the same time an increased service life.
  • An advantageous embodiment of the invention provides to assign a fastening eye to each housing element of the housing.
  • an aligned coincidence of the parting plane of the housing elements with the support surface of the associated holding means designed as fastening eyes is preferably provided for this purpose. Consequently, the surfaces to be machined lie in one plane, which results in a simplified processing.
  • the smaller number of separately machined surfaces provide a cost advantage of the housing.
  • This structure of the pivot bearing only requires a separate machining of an end face of the holding means in the region of the contact surface, via which the holding means is supported on the holder.
  • a further embodiment provides that only one housing element or one housing half of the unit has a fastening recess for forming the retaining means.
  • the position and arrangement of the holding means is carried out so that the matching with the parting plane, jointly machined end face of the fastening eye is the contact surface with which the holding means, the fastening eye is supported on the holder.
  • the inventive concept enables a cost-optimized production of the housing, since the machining of the housing halves in the region of Trenn ⁇ level requires no subsequent processing of the support surfaces or the contact surface of the holding means.
  • the parting plane of the housing of the unit extends off-center advantageously such that it is arranged as close as possible in the direction of the belt pulley of the aggre ⁇ gate.
  • the pivot bearing according to the invention can also be combined with a au ⁇ ßermittig divided housing, in which the Buchstoff zuge ⁇ arranged housing element is made wider in comparison to the affiliated further housing element.
  • the invention includes a pivot bearing, in which the one or more fastening eyes, the holding means are axially offset from the dividing line, ie the dividing line of the housing elements does not fluch ⁇ with the contact surface of the holding elements.
  • the holder which is indirectly or directly in communication with the internal combustion engine includes a rotatable sleeve which is rotationally fixed in the installed state of the holding means of the pivotable unit.
  • a screw with which the components of the pivot bearing, the bush of the holder and the holder are clamped serves as fastening means.
  • a further embodiment of the invention relates to the design of the holder, which is designed according to the invention as a U-shaped carrier or as a fork. These components form two axially staggered shots, between which the or the fastening eyes are used. A shaft or a fastening screw connects the receptacles, at the same time carries the holding means and consequently the unit is thus positioned.
  • a fastening means is preferably a self-tapping ors ⁇ cutting screw alone, d. H. without nut allows an effective, permanent connection and fuse.
  • a separate bracket or bracket to the clamping system according to the invention, represented by the unit pivotable via the pivot bearing, which is preferably fastened detachably to the internal combustion engine by means of a screw connection.
  • the console forms a holder which forms the pivot bearing with holding means of the unit.
  • An optimal low-friction mounting of the unit can advantageously take place via a sliding bearing, with which the socket is inserted into the holder and torsionally rigidly connected to the unit.
  • the invention also includes a reverse arrangement, in which the bush is rotatably associated with the holding means, for example the fastening eyes of the generator, via a plain bearing and which is fixed in position relative to the holder on the other hand.
  • the rotary bearing according to the invention can also be coupled with a Dämpfungseinrich- device so as to eliminate adverse resonances of the traction mechanism drive or damp due to the rotational nonuniformity of the internal combustion engine in the traction drive introduced vibrations.
  • Dämpfungs ⁇ device it makes sense to form the pivot bearing biased, in which, for example, between the relatively rotatable components of the Drehla- gers a friction disc is arranged.
  • a slip-free drive of the traction mechanism drive requires a sufficiently pre-stressed traction means.
  • the pivotable unit which simultaneously assumes the function of the clamping system is provided with a rotary bearing, the position of which makes it possible to use the weight of the pivotable unit to influence the bias of the traction means.
  • Supporting a force means can be additionally provided, with which the unit, the starter generator, is subjected to a force in a direction of rotation, which biases the traction means.
  • Figure 1 shows the structure of a pivot bearing of a clamping system according to the invention
  • Figure 2 shows another inventively constructed pivot bearing for a clamping system
  • FIG. 3 shows an enlarged view of a detail of the rotary bearing according to FIG. 2;
  • FIG. 4 shows a partial region of a unit which is pivotally designed as a clamping system and in which the holding means is connected to only one housing element of the unit;
  • Figure 5 in a schematic representation of a traction mechanism, which includes a pivoting unit as a clamping system.
  • the traction mechanism drive 1 is designed as a two-disc drive, in which a traction means 2 connects an output member 3, a belt pulley connected to a crankshaft of an internal combustion engine 4, and a further rim gear of a drive member 5.
  • a drive member 5 a schwenk ⁇ bar arranged unit 6, in particular a starter generator is provided, which assumes the function of the starter and the internal combustion engine 4, the function of a generator for the internal combustion engine 4 depending on the operating mode in the starting phase.
  • the aggregate 6 is pivotable about an axis of rotation 7 of a pivot bearing 8.
  • the pivot bearing 8 comprises a holder 9, which is connected in one piece with the internal combustion engine 4, and associated holding means 10 of the unit 6.
  • a pivoting of the unit 6 in the counterclockwise direction increases the pretension of the traction means 2.
  • the position of the pivot bearing 8 favors the pretensioning of the Pull means 2, as this, the weight of the unit 6 utilizing a counter-clockwise force exerting force component exerts.
  • the unit 6, which takes over the function of a clamping system 11, is provided with a Kraft ⁇ means 12, in particular a used between the internal combustion engine 4 and the Agregreg 6 spring with which the bias of the traction means 2 can be increased.
  • FIG. 1 shows a first inventively embodied pivot bearing 17a, which as a holding means 20a integrally with a housing 13 of the unit 6 connected fastening eyes 14, 15 and a holder 19a.
  • the housing 13 of the unit 6 is formed from the two housing elements 16a, 16b, which are supported via a parting plane 18a.
  • the parting plane 18a continues over the region of the fastening eyes 14, 15, so that by means of a machining of the respective housing element 16a, 16b including the associated fastening eyes 14 and 15 at the same time a support surface 21 is machined, on which the fastening eyes 14, 15 in support the installation position.
  • the attachment eye 14 is further supported by a face remote from the support surface 21 directly on an end face of the holder 19 a, which together form a contact surface 22.
  • the holder 19a which is connected directly or indirectly to the internal combustion engine 4, is provided with a through-bore 23, into which a bushing 24 is inserted.
  • a sliding bearing 25 is inserted in an annular gap, which is established between the throughbore 23 and an outer surface of the bush 24.
  • the inventive design of the pivot bearing 17a allows a shift in the direction of the traction means 2, whereby the force introduced by the traction means 2 in the unit 6 in the direction of arrow force direction triggers a reduced tilting moment in the pivot bearing 17a, which advantageously affects the load of the sliding bearing 25, thereby an increased lifetime is feasible.
  • FIGS. 2 and 4 the components which correspond to the first exemplary embodiment (FIG. 1) are provided with the same reference numerals, so that reference can be made to the description of the first exemplary embodiment to avoid repetition.
  • FIG. 2 shows the pivot bearing 17b, which includes a U-shaped holder 19b, for example, a separate console, which is on the one hand releasably attached to the internal combustion engine 4 and two axially spaced receptacles 33, 34 includes.
  • the holding means 20a consisting of the fixing eyes 14, 15 are used.
  • the receptacles 33, 34 in conjunction with the bushes 24 inserted therein, according to the first exemplary embodiment, allow a clearance-free arrangement.
  • the sockets 24 are pressed by means of the screw 35 via the contact surfaces 22, 44 to the holding means 20a, the fastening eyes 14, 15.
  • Example of the pivot bearing 17b includes this designed as a fixed bearing 36 receptacle 33 and designed as a floating bearing 37 receptacle 34 a.
  • FIG. 3 illustrates the construction of the floating bearing 37.
  • the receptacle 34 shown on an enlarged scale shows the floating bearing 37 in the installed state, in which the design of the bushing 24 ensures a protrusion 38 against a frontal contour 39 of the receptacle 34.
  • the protrusion 38 which represents a building-in, effectively prevents the sheet 31 from abutting the contour 39 of the receptacle 24, as a result of which the unit 6 can pivot freely in the operating state.
  • FIG. 4 shows an exemplary embodiment with the pivot bearing 17c, which comprises the holder 19a according to the exemplary embodiment from FIG. 1, as well as the holding means 20b.
  • the unit 6 according to FIG. 4 is provided with a parting plane 18 b, which is arranged offset in the direction of the pulling means 2.
  • This structure further advantageously reduces a transverse force, which is introduced by the traction means 2 in the arrow direction in the pivot bearing 17c, due to a reduced distance between the traction means 2 and the pivot bearing 17c,
  • the retaining means 20b comprises only one fastening eye 40 integrally connected to the housing element 16b, the contact surface 42 of which extends in alignment with the parting plane 18a.
  • the parting plane 18ab as well as the contact surface 42 can be processed inexpensively in one operation.
  • a self-tapping screw 41 as fastening means, which is self-tappingly screwed into a partially prepared threaded bore 43 of the fastening eye 40 in order to achieve a positionally fixed support of the bushing 24 via the contact surface 42 at the attachment eye 40th reference numerals

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Mounting Of Bearings Or Others (AREA)

Abstract

L'invention concerne un système de serrage pour un entraînement de mécanisme de traction, ce système comprenant un organe (6) logé pivotant sur coussinet de pivotement (17a), cet organe ayant simultanément la fonction de système de serrage pour le mécanisme de traction.
PCT/EP2005/008228 2004-08-25 2005-07-29 Logement a point d'appui d'un organe WO2006021287A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP05782545A EP1781913B1 (fr) 2004-08-25 2005-07-29 Logement a point d'appui d'un organe
US11/574,162 US20070259745A1 (en) 2004-08-25 2005-07-29 Centre of Rotation Support for an Assembly

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004041044.5 2004-08-25
DE102004041044A DE102004041044A1 (de) 2004-08-25 2004-08-25 Drehpunktlagerung eines Aggregates

Publications (1)

Publication Number Publication Date
WO2006021287A1 true WO2006021287A1 (fr) 2006-03-02

Family

ID=35345126

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2005/008228 WO2006021287A1 (fr) 2004-08-25 2005-07-29 Logement a point d'appui d'un organe

Country Status (6)

Country Link
US (1) US20070259745A1 (fr)
EP (1) EP1781913B1 (fr)
KR (1) KR20070047791A (fr)
CN (1) CN101006259A (fr)
DE (1) DE102004041044A1 (fr)
WO (1) WO2006021287A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4260066B2 (ja) * 2004-05-31 2009-04-30 株式会社リコー ベルト搬送装置及び画像形成装置
US20080081718A1 (en) * 2006-09-28 2008-04-03 Collier-Hallman Steven J Load dependent belt tensioner
SE541951C2 (sv) 2013-02-04 2020-01-14 Scania Cv Ab Länkarrangemang
JP6291683B2 (ja) * 2014-03-18 2018-03-14 サンデンホールディングス株式会社 エンジン補機の取付装置
CN105626261B (zh) * 2016-02-18 2018-06-29 广西玉柴机器股份有限公司 一种多功能前端支撑架
JP6414113B2 (ja) * 2016-03-24 2018-10-31 株式会社デンソー 燃料供給装置
FR3058772B1 (fr) * 2016-11-16 2020-05-08 Renault S.A.S. Moteur equipe d'une liaison elastique pour tendre la courroie de transmission
DE102016226208A1 (de) * 2016-12-23 2018-06-28 Robert Bosch Gmbh Verfahren zur Montage einer Maschine an einem Halteblock
JP7236940B2 (ja) * 2019-06-04 2023-03-10 ダイハツ工業株式会社 内燃機関

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB927186A (en) * 1961-01-04 1963-05-29 Cav Ltd Means for mounting an electric generator on an engine
GB1401243A (en) * 1971-08-05 1975-07-16 Bosch Gmbh Robert Alternating current generators
GB2240585A (en) * 1989-12-29 1991-08-07 Bosch Gmbh Robert Swivel mounting for electric machines
DE4300178C1 (de) 1993-01-07 1994-04-28 Muhr & Bender Riemenspannvorrichtung
JPH07303342A (ja) 1994-05-02 1995-11-14 Nippondenso Co Ltd 発電機
JPH07327336A (ja) 1994-05-30 1995-12-12 Nippondenso Co Ltd 車両用交流発電機
DE10057818A1 (de) 2000-11-21 2002-05-23 Ina Schaeffler Kg Zugmitteltrieb für einen Startergenerator

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US2856786A (en) * 1955-09-21 1958-10-21 Us Slicing Machine Co Inc Belt tensioner for slicing machines
US5098347A (en) * 1990-09-26 1992-03-24 Gates Power Drive Products, Inc. Belt tensioner, belt drive sytstem, and method
US5938169A (en) * 1996-11-26 1999-08-17 Suzuki Motor Corporation Engine mounting for engine accessory
US6324744B1 (en) * 2000-05-03 2001-12-04 Daimlerchrysler Corporation Method of mounting and axially aligning an engine accessory
US6450907B1 (en) * 2001-03-12 2002-09-17 The Gates Corporation Inner race idler pulley tensioner
US6705581B2 (en) * 2001-05-26 2004-03-16 Pacsci Motion Control, Inc. Pivotable motor mounting apparatus

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB927186A (en) * 1961-01-04 1963-05-29 Cav Ltd Means for mounting an electric generator on an engine
GB1401243A (en) * 1971-08-05 1975-07-16 Bosch Gmbh Robert Alternating current generators
GB2240585A (en) * 1989-12-29 1991-08-07 Bosch Gmbh Robert Swivel mounting for electric machines
DE4300178C1 (de) 1993-01-07 1994-04-28 Muhr & Bender Riemenspannvorrichtung
JPH07303342A (ja) 1994-05-02 1995-11-14 Nippondenso Co Ltd 発電機
JPH07327336A (ja) 1994-05-30 1995-12-12 Nippondenso Co Ltd 車両用交流発電機
DE10057818A1 (de) 2000-11-21 2002-05-23 Ina Schaeffler Kg Zugmitteltrieb für einen Startergenerator

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1996, no. 03 29 March 1996 (1996-03-29) *
PATENT ABSTRACTS OF JAPAN vol. 1996, no. 04 30 April 1996 (1996-04-30) *

Also Published As

Publication number Publication date
EP1781913A1 (fr) 2007-05-09
CN101006259A (zh) 2007-07-25
US20070259745A1 (en) 2007-11-08
EP1781913B1 (fr) 2011-09-14
DE102004041044A1 (de) 2006-03-02
KR20070047791A (ko) 2007-05-07

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